Programming language and runtime environment that allows compiled Java programs to run unchanged on most hardware and software platforms

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Library to create self querying SNMP Agent in Java

I am trying to create an SNMP Management Agent that will query itself the OID of the Object to be retrieved. It will retrieve the value and store it in an internal database for later retrieval. The ...
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1answer
171 views

Is it appropriate to use HeapDumpOnOutOfMemoryError in Production?

We have been struggling to diagnose the cause of an OutOfMemoryError we experienced on one of our production servers. Our attempts to reproduce the issue in soak tests have so far failed, and we are ...
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5 views

CATALINA_HOME not exported properly in Ubuntu 12.04

Running Ubuntu 12.04 and Tomcat6 A Java web app (ClinCapture) attempts to access catalina_home and instead of returning CATALINA_HOME=/usr/share/tomcat6 it returns ...
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19 views
+50

System-wide JRE settings in deployment.properties file are ignored?

Basically I have the same problem as in this question. However the proposed solution doesn't work for me, not on a Win2003 server and not on a Win7 laptop used for testing. I have a Java SE 6 program ...
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1answer
4k views

Error deploying Spring with JAX-WS application in Jboss 6 server

I'm getting this error when I deploying spring+JAX-WS application in jboss server 6.1.0. 09:14:38,175 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed: ...
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4answers
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How do I install the JRE on a Windows server without Oracle adware?

I would like to install Java on one of our servers, but I am reticent due to Oracle's bundling of an Ask.com toolbar and some virus scanner. I've read that the java updater even installs these for ...
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1answer
29 views

Suddenly error='Cannot allocate memory' (errno=12) [on hold]

So this morning I noticed my website is down, went on my server and saw that the webserver has been stopped. When I try to start it again I get this error start -Dhttp.port=80 ...
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1answer
1k views

Tomcat 7 ClassNotFoundException: org.apache.tomcat.JarScanner

When I try and start my app I get this error. I have verified that JarScanner exists in the CATALINA_HOME directory so I dont know why it cant find it. Is there anything that could lead to this issue ...
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0answers
19 views

Disabled SSLv3 in Tomcat, but Still Showing POODLE Vulnerability

I have a Windows 2008 server with Tomcat 7.0.59 & Java 8u31 & I am trying to ensure that SSLv3 is disabled. Looking at the changelog for Java, SSL3 should no longer be supported and the Java ...
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0answers
18 views

Apache Tomcat for Windows - cannot get https to work

Environment: Windows 2003 Server 64-bit Running on VMWare ESX 5.5 8GB of Ram Apache Tomcat 6.0.36 Server D:\Program Files\Java\jdk1.6.0_26\jre\bin\server\jvm.dll JDK 1.6 update: 26 Have been able ...
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0answers
15 views

How to handle multiple domain requests on single tomcat server?

I am using dedicated server. I have hosted different HTML, PHP and wordpress websites on this server those are working perfectly. Now I want to deploy java web application on this server. So I have ...
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1answer
930 views

Connecting jconsole using SOCKS to Amazon EC2

I'm trying to use jconsole to view stats on an EC2 instance by using a socks proxy created by SSH. I've tried the various scripts mentioned in the links below but to no avail: ...
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0answers
25 views

Tomcat is not starting although JAVA_HOME path is correct

I have linux server in which I run several Tomcats. The current Java I use is 64 bit. All Tomcats use 64 bit java but one. This one Tomcat needs to run with 32 bit Java. If I don't change anything, ...
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1answer
22 views

How to run Wildfly best?

Within development I start Wildfly 8 as standalone. Then I copy all my WAR files to /standalone/deployments and run them over http://localhost:8080/projectname/. When thinking of a productive server ...
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2answers
216 views

Deploying tomcat/mysql application on windows

Our web service software consists of a (precompiled) war file and a mysql database. We provide installation packages to deploy it on Ubuntu or Fedora, in a standard Tomcat7/MySQL/Apache2 setup using ...
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2answers
261 views

CENTOS Vs Windows 2008 R2 [duplicate]

We have an application running on Windows Server 2008 R2 with Apache WAMP, Tomcat, Mysql, PHP and java SE for last 4 years. Its a Web based ERP application. I would like to know if it makes sense to ...
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1answer
27 views

JVM outputs “No console, will fork to get enough memory” when started via cron

I have come across an odd message when starting up a JVM via cron: "No console, will fork to get enough memory". Google only returns a handful of results when searching for that string, so I figured ...
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3answers
1k views

Debian install netbeans - “No protocol specified”

When trying to run the netbeans shell installer, it gives me an error. ./netbeans-7.0.1-m1-php-linux.sh Configuring the installer... Searching for JVM on the system... Extracting installation data... ...
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1answer
2k views

Connect to SVN repository with Netbeans using SVN+SSH

I am trying to connect to a SVN server in order to import my project into it with svn+ssh authentication method. I am using the NetBeans IDE (6.8) with subversion plugin installed on Windows XP SP2. I ...
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2answers
1k views

Deploying play! 2.0 application on an apache server with a reverse proxy

I'm trying to deploy my play! 2.0 application on an Ubuntu 11.10 server and I have been running into error after error and hope someone can help me here. I am try to deploy my Play! application using ...
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2answers
214 views

Vertx: What do these errors mean?

I'm trying to run a java applet using the Vertx platform but getting the following errors, as I am not a java person.. I'm having a hard time understanding how to fix these, your help is much ...
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0answers
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Can't install JPCAP library [migrated]

I can't install JPCAP on my ubuntu machine. It tells that depends on sun-java6-jdk & libpcap0.8. However I do have them installed in my system as you can see. kujim@kujim:~/Downloads$ ldconfig ...
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1answer
83 views

Effectively Monitoring Server Load of Production Amazon AMI + Tomcat + Lucee Instance [closed]

Looking for advice as to effectively monitoring the load of a production web server. Preferably solution will be free or minimal cost (server is owned by a very small web development company - read ...
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3answers
2k views

Extremely slow startup of tomcat

I have a tomcat 7 installation on a Solaris 10 server. My problem is that starting the server (or deploying a new war) is extremely slow. It usually take 30 - 60 minutes. The war application is a ...
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5answers
4k views

Unable to find javac after installing OpenJDK 1.6 and 1.7

I am currently at a loss as to why this is happening. I did some basic research by running: whereis javac -and- find / -name javac ...and I came up with nothing I searched the web for answers but ...
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3answers
3k views

How do I install javac (JSDK) on Scientific Linux, 64Bit

I am trying to finds a way to install the Java SDK (javac) on Scientific Linux 64bit with yum or anyway.. Can someone please tell me the best what to do this so I can use maven for my builds etc
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0answers
22 views

Taking a thread dump on IBM J9 takes a long time

I'm trying to collect a java core on AIX (java version 1.6). There is only one dump agent configured, which collects a system dump, heap dump and java core on every SIGQUIT, so I used HealthCenter to ...
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0answers
33 views

(103) Software caused connection abort: proxy: pass request body failed

The following errors are being logged in our proxy Apache logs while processing the request with Tomcat Server: (103)Software caused connection abort: proxy: pass request body failed proxy: pass ...
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0answers
17 views

Openfire how to fix? Error creating secured outgoing session to remote server

I have a OpenBSD server 5.6, in this server install Openfire 3.9.3. But I am getting the following error: error.log 2015.02.16 08:59:44 org.jivesoftware.openfire.session.LocalOutgoingServerSession ...
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2answers
1k views

Java application server behind IIS 7.5 on Windows Server 2008

I have a Java application server (GlassFish, indeed, but the problem is the same for any other application server, I guess), running on port 8080. And I have IIS 7.5 listening on port 80 as by default ...
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2answers
338 views

Glassfish basic configuration forgotten

I installed glassfish v3 some time ago and it's been a while since I last used it, so I forgot the port on which the server is listening and the port on which the admin console is listening. Moreover, ...
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How to get a program as a .JAR file which can be executed on different OS's and included into a folder and ran? [migrated]

A better title might be: How to package a program as a jar executable which can be portable across different OS's such as Windows, Linux, and Mac? I am trying to build a PHP command line app which ...
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1answer
828 views

java 7: should users be aware of changes in heap memory handling?

After installing the latest Java 7 Development Kit (Java SE 7u11) on my Windows 7 Professional 32bit PC with 4Gb RAM, I noticed I can't allocate much memory for Tomcat. Whereas these memory settings ...
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1answer
58 views

Dependancy error when building maven project

I'm trying to move an application from being built locally on a Windows Eclipse installation to a Jenkins server. From what I can see the settings are correct and the dependencies should resolve. Even ...
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3answers
74 views

java.lang.OutOfMemoryError: Java heap space

In our application we have both, Apache Server (For frond end only) & JBoss 4.1 (For business end). We are using Ubuntu 12 as server OS. Our application is throwing "java.lang.OutOfMemoryError: ...
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0answers
23 views

Add Java exception for all users

My organization is trying to use an old Java applet for their work, but newer Javas are not running it, as it has a self-signed certificate. Reading on Oracle's Deployment Guide, I need to make my own ...
2
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1answer
1k views

How do I set the jmx to listen in a specific IP

I am trying to configure jboss to allow monitoring with a jmx tool (I am looking at a few so no need to give). Looking at the properties in java jmx docs it does not seem to have a property to set ...
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1answer
46 views

Why is my java process using much more heap space than specified?

I'm running a Java application on Solaris using the -Xmx256M switch. When I connect via JMX, the JVM tells me the application is using about 50Mb of heap, and correctly states the maximum heap size is ...
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3answers
1k views

javac compiler throwing error in CentOS 5.7

I'm trying to install Red5 on a vps running CentOS 5.7 in MediaTemple using this how-to (dv):Install Red5 Media Server but on step 7 I get this error: BUILD FAILED /usr/local/red5/build.xml:217: The ...
2
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1answer
1k views

Java Deployment and Configuration (1.6.0_21)

Sofware: Java Runtime Environment 1.6.0_21 OS: Windows XP Professional 32-Bit, SP3 Situation: a new piece of web based software is being deployed this week and prior to this all the company desktops ...
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3answers
3k views

Tomcat 7 Throwing Unsupported Class Version Error

I'm setting up a Tomcat server to host JSP sites. I have created a test application in Eclipse to make sure everything is working. All it does is print text in JSP, then call a function in a custom ...
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0answers
14 views

Methods to inject configuration into WAR archives? [migrated]

I have a couple of not so nice Java applications. I know that those are just zip files that can be reassembled. Is there some common tool (ant, maven tasks or somesuch) that is usually used to inject ...
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0answers
31 views

HP Radio Port 210 web configuration

We acquired used WiFi system to provide better wlan for the customers in our hostel. The switch is HP PROCURVE 5406zl and we have 50 or so HP PROCURVE RADIO PORT 210 access points. I set up the ...
3
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1answer
2k views

Signing a Java Deployment Rule Set JAR using AD Certificate Services

I am tasked with deploying Java 7 Update 55 along with a Java Deployment Rule Set to all Active Directory Windows clients. I've managed to get a solid Java software deployment setup but I'm now ...
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2answers
1k views

find the path of jdk and set JAVAHOME

I've got java installed on my Ubuntu VirtualBox, and I am trying to run sunspot, but sunspot can't find java. typing 'java' from the command line return The program 'java' can be found in the ...
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2answers
4k views

IIS 7 + Tomcat 7 - how to reach http://localhost:8080/my_app under e.g. http://my_app.local

In brief: IIS 7 + Apache Tomcat 7 + isapi_redirect.dll: I have a deployed and working Tomcat-application available under http://localhost:8080/my_app. I would like to see the same content under ...
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0answers
94 views

Add an entire domain to Java Exception list

I'm administering hundreds of machines with Java interfaces that I sometimes need to get into. Unfortunately, the default Java settings in Windows block all of these applications from running, ...
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1answer
4k views

Java 8 Update 25 Install Via GPO Not Working

I am trying to set up our Active Directory DC to automatically install Java 8 Update 25 (jre1.8.0_25.msi) using Group Policy. When attempting to add the jre1.8.0_25.msi package in the GPO at Computer ...
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1answer
56 views

How can I upgrade to Java 1.8 on an Amazon Linux Server?

I tried sudo yum update but it just keeps java "1.7.0_75". I need 1.8 for it to work with another application but can't figure out how to upgrade it. Do I need to manually install it somehow? There's ...
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1answer
3k views

Clearing Java certificates cache (force reload certificates)

A simple question here. One application gave me this exception when trying to access a website with a expired certificate: java.security.cert.CertificateExpiredException So, I renewed the ...